Notes:An extract, published separately, from "Archives Alsaciennes, D'Histoire de L:'Art."
Concerns the desighn of a public clock by Halbrecht, including lunar and zodiac dials. Design illustrated together with another, designed by the architect Adam Wagner which includes an automatum.

Notes:An extract, printed separately, taken from the "Archives Alsaciennes, D'Histoire de L'Art"
The text describes a "Horloge de table a indications astronomique. Attribuee a Isaac Habrecht, vers 1580 (Musee de Cluny, Paris)". Illustration shows an Augsburg type Renaissance clock surmounted by the figures of the Virgin and Child.

Notes:A translation into French and Italian of a work in the Vatican library (Codex Vatican Latin 3127). Believed to be written c.1380, Chapuis attributes it to a slightly later date, early 15th century.
This is believed to be the first work on horology written in "langue romane" and covers 5 pages.

Notes:Report of a lecture "Communication faite a la Classe d'Industrie de la Societe des Arts, le 19 fevrier 1877".
Detailing the state of the swiss industry and its relations with other horological countries including the USA.

Notes:A short article within the monthly journal "Art et Curiosite"
Content of article given in English;
"We briefly summarize herein the evolution of the . It will be seen that the silversmith and the mechanic have dominated alternately; the preponderance of the one or the other enables us to determine the period to which the watch belongs."
In addition, the front cover includes a photograph of a 17th century "Horloge Astronomique a D

Notes:An advertising pamphlet promoting the building of year duration regulator timepieces to be paid by subscription., the price being 600 francs. "On souscrit chez l'auteur, boulevart Montmartre, No.1"
There are two almost identical pamphlets glued together by Ilbert. The text is virtually the same in each but with the addition of an illustration of the longcase regulator in only one.
In the title, Aime Jacob describes himself as "Ancien eleve du gouvernment, de L. Berthoud et de Breguet".

Notes:A separately published extract from the journal, "La Franche-Compte", notifying the public of the importance of this industry; "La fabrique d'horlogerie de Besancon est la seule qui existe en France."
Details are given of Besancon watch production between 1843 and 1863 including a breakdown chart of the years 1860-63.
Ends with a plea to the government of the Emperor (Napoleon 111) to invest in this industry

Notes:Pamphlet written for the Leroy Company, "Horloger de la Marine et de l'Observatoire, Artiste adjoint au Bureau des Longitudes"
A detailed account of the contribution of Leroy & Cie in the field of precision timekeeping including;
Historical background,
Tank regulators, ( 4 photographs of Pendule a pression constante),
Transmission of time by telegraph,
Chronometers and pocket chronometers
Explorer's watches
Also includes;
Poste Distributeur de Signaux Horaires Brillie-Leroy installe a l'Observatoire de Paris, diagram with photographs.